#overlay {
  background: rgba(196, 199, 199, 0.5);
  width: 100%;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 999;

  position: fixed;
  height: 100%;
  width: 100%;
  z-index: 5000;
  top: 0;
  left: 0;
  float: left;
  text-align: center;
  padding-top: 25%;
}
